C++: Add change-note.

MathiasVP · MathiasVP · commit 5eb1f8abbdb3 · 2021-04-06T11:47:57.000+02:00
diff --git a/cpp/change-notes/2021-04-06-assign-where-compare-meant.md b/cpp/change-notes/2021-04-06-assign-where-compare-meant.md
@@ -0,0 +1,2 @@
+lgtm,codescanning
+* The 'Assignment where comparison was intended' (cpp/assign-where-compare-meant) query has been improved to flag fewer benign assignments in conditionals.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+lgtm,codescanning`
	`2`	`+* The 'Assignment where comparison was intended' (cpp/assign-where-compare-meant) query has been improved to flag fewer benign assignments in conditionals.`